In 2025, Diageo completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources), Scope 2 (indirect emissions from purchased energy) and Scope 3 (indirect emissions across the value chain).
Diageo has also provided a category-level breakdown for 12 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.
| Metric (tCO2e) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Scope 1 | 369,000a | 386,000a | 483,000c | |
Total Scope 2 | ||||
Market-Based | 4,000b | 4,000b | 5,000b | |
Location-Based | 152,000a | 156,000a | 156,000c | |
Total Scope 3 | 5,217,220a | 5,570,171c | 5,911,271d | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 18.2267a | 19.0439a | 31.6949c |
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In 2025, the total operational greenhouse gas (GHG) emissions of Diageo amounted to 521,000 metric tons of CO2 equivalent. This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2).a
Compared to 2024, the total operational greenhouse gas (GHG) emissions of Diageo decreased by 3.87%, showing that the company has made progress in taking action to reduce the climate impact of its operations.a
In 2025, the total Scope 1 emissions of Diageo were 369,000 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, Diageo's Scope 1 emissions have decreased by 40.54%, reflecting a declining long-term trend in Scope 1 emissions over time.ae
Compared to the previous year (2024), Diageo's Scope 1 emissions decreased by 4.4%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2025, Diageo reported Scope 2 greenhouse gas (GHG) emissions of 4,000 tCO₂e using the market-based method and 152,000 tCO₂e using the location-based method.ab
Since 2019, Diageo's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have remained relatively stable, indicating that Diageo's emissions have plateaued with no significant change in its energy consumption footprint.ae
Compared to the previous year (2024), Diageo's Scope 2 emissions (Location-Based) have remained relatively stable, indicating that Diageo's emissions have plateaued with no significant change in its energy consumption footprint.a
In 2025, Diageo reported its Scope 2 emissions using the market-based method and using the location-based method.ab
In 2025, Diageo reported 5,217,220 metric tons of CO₂ equivalent (tCO₂e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain.a
The 2025 disclosure of Diageo includes a breakdown across 12 of the 15 Scope 3 categories defined by the GHG Protocol, up from 9 in 2024, reflecting improved emissions accounting practices and greater transparency across the company's value chaina
In 2025, Diageo reported total Scope 3 emissions of 5,217,220 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 93.93% of these emissions originated from upstream activities such as purchased goods and capital goods, while 6.07% came from downstream activities like product use, distribution, and end-of-life treatment.a
Compared to the previous year (2024), Diageo's Scope 3 emissions remained relatively stable, indicating that Diageo's emissions have plateaued with no significant change in its value chain footprint.ac
In 2025, Diageo reported emissions for 12 out of the 15 Scope 3 categories defined by the GHG Protocol.a
This reflects a high level of granularity and transparency in the company's emissions reporting.
In 2025, the largest contributors to Diageo's Scope 3 emissions were:a
In 2025, Diageo reported Scope 1 greenhouse gas (GHG) emissions of 369,000 tCO₂e and total revenues of USD 20,245 millions. This translates into an emissions intensity of 18.23 tCO₂e per millions USD.a
In 2025, Diageo reported a Scope 1 emissions intensity of 18.23 tCO₂e per millions USD. Compared to the peer group median of 18.33, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
In 2025, Diageo ranked 13 out of 25 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Diageo is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
In 2025, Diageo reported a total carbon footprint of 5,738,220 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 6.12% decrease compared to 2024, indicating progress in reducing its overall greenhouse gas output.ac
The largest contributor to Diageo's total carbon footprint was Scope 3 emissions, accounting for 90.92% of the company's total carbon footprint, followed by Scope 1 emissions at 6.43%.a